Everything DiSC® Manual



This manual serves a comprehensive guide to the research that supports the Everything DiSC assessments.

Chapter 1 DiSC Overview and Theory

  • The Purpose of Everything DiSC
  • The DiSC Model
  • The Two Dimensions Behind DiSC
  • The DiSC Quadrants
  • The Twelve Everything DiSC Styles
  • Connection to Other Models and Psychometric Theory
    • Interpersonal Circumplex
    • The California Psychological Inventory
    • The Five-Factor Model of Personality
    • The Myers-Briggs Type Indicator

Chapter 2 Methodology of Development

  • Previous Assessments Measuring the DiSC Model
  • Everything DiSC Technical Development
    • Rationale of Scale Construction
    • Generation of the Initial Item Pool
    • Pilot Test
    • Item Evaluation
    • Final Selection
    • Standardization and Norming
    • Item Translation

Chapter 3 Administration and Scoring of the Assessment

  • Appropriate Populations
  • Accessing the Everything DiSC Assessment
  • Responding to the Assessment
  • The Scales Within Everything DiSC
    • The DiSC Scales
    • The Priority Scales
  • Adaptive Testing Procedures
  • Scoring

Chapter 4 The DiSC Scales and Styles: Reliability and Validity

  • Reliability of the DiSC Scales and Styles
    • Internal Reliability of the Scales
    • Test-Retest Reliability of the Scales
    • Test-Retest Reliability of the Styles
  • Evidence for the Validity of the DiSC Scales
    • Construct Validity of the Scales
    • Criterion Validity of the Scales
  • Evidence for the Validity of the DiSC Styles
    • Construct Validity of the Styles
    • Criterion Validity of the Styles

Chapter 5 Demographic Considerations

  • Internal Reliability by Gender, Heritage, and Education
  • Correlation Matrices by Gender, Heritage, and Education
    • Correlation Matrices by Gender
    • Correlation Matrices by Education
    • Correlation Matrices by Heritage
  • Variance Accounted for by Gender, Heritage, and Education
    • Variance Accounted for by Gender
    • Variance Accounted for by Heritage
    • Variance Accounted for by Education
  • Distribution of Style by Gender, Heritage, and Education
  • Distribution of Inclination by Gender and Heritage

Chapter 6 The Everything DiSC Applications

  • Everything DiSC Workplace
    • Development of the Workplace Priorities
    • Validation of the Workplace Priorities
  • Everything DiSC Sales
    • Development of the Sales Priorities
    • Validation of the Sales Priorities
  • Everything DiSC Management
    • Development of the Management Priorities
    • Validation of the Management Priorities
  • Everything DiSC Work of Leaders
    • Validation of the Work of Leaders Scales
    • Work of Leaders Priorities
  • Everything DiSC 363 for Leaders
    • Development of the Practice Scales for 363 for Leaders
    • Comparing Self and Other Ratings
    • Differences Based on Demographic Categories

Chapter 7 The Everything DiSC Comparison Report

  • Selection of the Continua Within Each Report
  • Scoring of the Comparison Report Scales
  • Reliability of the Comparison Report Scales
    • Internal Reliability
    • Test-Retest Reliability
  • Validity of the Comparison Report Scales
    • Intercorrelations Among the Continua Scales
    • Correlations with the Other Measures of Personality

Chapter 8 Interpretation of Results

  • Interpretation of Style
  • Interpretation of Inclination
  • Interpretation of Shading
  • Case Studies
    • Andrea: D Style
    • Rafael: CS Style
    • Amira: i Style
    • James: S Style


  • Appendix A: DiSC History
  • Appendix B: Everything DiSC Sample Demographics
  • Appendix C: Correlations Among the Everything DiSC Assessment and Other Assessments
  • Appendix D: Style Distribution
  • Appendix E: Leadership Correlations
  • Appendix F: ANOVA Results
  • Appendix G: Correlations Among the Work of Leaders and Other Assessments
  • References